Add functional tests for image metadef resource type list

Implements functional tests for 'image metadef resource type list' command.

Change-Id: If645a04d4b8800da44041769f08b1e81332af33c
Signed-off-by: jiwonjang <kooriangman@gmail.com>

openstackclient/tests/functional/image/v2/test_metadef_resource_type.py

@@ -0,0 +1,55 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import uuid
+
+from openstackclient.tests.functional.image import base
+
+
+class ImageMetadefResourceTypeTests(base.BaseImageTests):
+    """Functional tests for image metadef resource type commands."""
+
+    def setUp(self):
+        super().setUp()
+
+        # Create unique namespace name using UUID
+        self.namespace_name = 'test-mdef-ns-' + uuid.uuid4().hex
+        self.resource_type_name = 'test-mdef-rt-' + uuid.uuid4().hex
+
+        # Create namespace
+        self.openstack('image metadef namespace create ' + self.namespace_name)
+        self.addCleanup(
+            self.openstack,
+            'image metadef namespace delete ' + self.namespace_name,
+        )
+
+    def test_metadef_resource_type(self):
+        """Test image metadef resource type commands"""
+
+        self.openstack(
+            'image metadef resource type association create '
+            f'{self.namespace_name} {self.resource_type_name}',
+        )
+        self.addCleanup(
+            self.openstack,
+            'image metadef resource type association delete '
+            f'{self.namespace_name} {self.resource_type_name}',
+        )
+
+        output = self.openstack(
+            'image metadef resource type list',
+            parse_output=True,
+        )
+
+        self.assertIn(
+            self.resource_type_name, [item['Name'] for item in output]
+        )